Textbook`s physics versus history of physics: the case of Classical
... textbooks on theoretical physics written by great physicists or Nobel prize winners as Planck, Sommerfeld, Pauli, Landau and Lifchitz, and Feynman. But the textbooks on Classical Electromagnetic Theory (C.E.T.) offer puzzling features to the ones who identify textbook science with normal science, in ...
... textbooks on theoretical physics written by great physicists or Nobel prize winners as Planck, Sommerfeld, Pauli, Landau and Lifchitz, and Feynman. But the textbooks on Classical Electromagnetic Theory (C.E.T.) offer puzzling features to the ones who identify textbook science with normal science, in ...
Lect 3 Force Production
... body's motion. Distance is the length of the path a body follows and displacement is the length of a straight line joining the start and finish points e.g. in a 400m race on a track the length of the path the athlete follows (distance) is 400m but their displacement will be zero metres (they finish ...
... body's motion. Distance is the length of the path a body follows and displacement is the length of a straight line joining the start and finish points e.g. in a 400m race on a track the length of the path the athlete follows (distance) is 400m but their displacement will be zero metres (they finish ...
IJC2013 H2T7 Gravitational Field Lect Notes (Teachercopy)
... Copernicus, Galilei and Kepler, all astronomers before Newton’s time knew that a force must exist between celestial bodies. Otherwise, for example, the Moon would move off at a tangent if not for the attractive force between the Earth and the Moon. At that time they did not realize that the very for ...
... Copernicus, Galilei and Kepler, all astronomers before Newton’s time knew that a force must exist between celestial bodies. Otherwise, for example, the Moon would move off at a tangent if not for the attractive force between the Earth and the Moon. At that time they did not realize that the very for ...
Stan Deyo – The Cosmic Conspiracy
... will know them by their actions but the wisest will be aware of their deception before they even arrive. There will be a true Messiah who will eventually return to Earth and defeat these imposters according to the Bible. We remind the reader that the only sure way to finish on the good side is to ma ...
... will know them by their actions but the wisest will be aware of their deception before they even arrive. There will be a true Messiah who will eventually return to Earth and defeat these imposters according to the Bible. We remind the reader that the only sure way to finish on the good side is to ma ...
Planetary Motion and Gravitation
... Newton made the claim that inertial mass and gravitational mass are equal in magnitude. This hypothesis is called the principle of equivalence. All experiments conducted so far have yielded data that support this principle. Albert Einstein also was intrigued by the principle of equivalence and made ...
... Newton made the claim that inertial mass and gravitational mass are equal in magnitude. This hypothesis is called the principle of equivalence. All experiments conducted so far have yielded data that support this principle. Albert Einstein also was intrigued by the principle of equivalence and made ...
Newton`s Laws
... picked up speed, while balls rolling on upward-sloping planes lost speed. From this he reasoned that balls rolling along a horizontal plane would neither speed up nor slow down. The ball would finally come to rest not because of its “nature” but because of friction. This idea was supported by Galile ...
... picked up speed, while balls rolling on upward-sloping planes lost speed. From this he reasoned that balls rolling along a horizontal plane would neither speed up nor slow down. The ball would finally come to rest not because of its “nature” but because of friction. This idea was supported by Galile ...
13 Universal Gravitation
... Field lines can also represent the pattern of Earth’s gravitational field. • The field lines are closer together where the gravitational field is stronger. • Any mass in the vicinity of Earth will be accelerated in the direction of the field lines at that location. • Earth’s gravitational field foll ...
... Field lines can also represent the pattern of Earth’s gravitational field. • The field lines are closer together where the gravitational field is stronger. • Any mass in the vicinity of Earth will be accelerated in the direction of the field lines at that location. • Earth’s gravitational field foll ...
The Final Theory -
... Newton worked out a model of gravity as an attracting force but couldn’t tell us why it should attract and how matter does this endlessly simply by existing; in fact, we still lack these answers three hundred years later. We have equations that model magnetic fields, and theories that describe their ...
... Newton worked out a model of gravity as an attracting force but couldn’t tell us why it should attract and how matter does this endlessly simply by existing; in fact, we still lack these answers three hundred years later. We have equations that model magnetic fields, and theories that describe their ...
Tension is a reaction force applied by a stretched string (rope or a
... Birds – Wings push air down, air pushes bird up Car – the wheels spin, pushing Backward on the road. Road pushes foreward on the car Walking – You push backward on the ground, ground pushes you foreward. Jumping – You push DOWN on ground, ground pushes you upward. Student sitting on chair - Gravity ...
... Birds – Wings push air down, air pushes bird up Car – the wheels spin, pushing Backward on the road. Road pushes foreward on the car Walking – You push backward on the ground, ground pushes you foreward. Jumping – You push DOWN on ground, ground pushes you upward. Student sitting on chair - Gravity ...
Types of Friction - AustinMeehanAcademy3
... your reach. Rather than running for the ball, you walk after it. You know that the ball will stop. But do you know why? Friction: a force that opposes motion between two surfaces that are in contact. ...
... your reach. Rather than running for the ball, you walk after it. You know that the ball will stop. But do you know why? Friction: a force that opposes motion between two surfaces that are in contact. ...
The negative equivalent mass of gravitational fields
... A model of the density profile of Jupiter as a function of radius is discussed in The Cambridge Encyclopedia of Astronomy, Crown Publishers, page 215 in the 1977 edition. This model shows that the average density is reached at a radius of about 50,000 km from the center of the planet. This would im ...
... A model of the density profile of Jupiter as a function of radius is discussed in The Cambridge Encyclopedia of Astronomy, Crown Publishers, page 215 in the 1977 edition. This model shows that the average density is reached at a radius of about 50,000 km from the center of the planet. This would im ...
Lab7_StaticEquilibrium
... Suppose your unknown mass was 100 g in Part I(iii). Could you use a 50 g mass to balance the system? Explain. ...
... Suppose your unknown mass was 100 g in Part I(iii). Could you use a 50 g mass to balance the system? Explain. ...
Notes on Fluid Dynamics These notes are meant for my PHY132
... The last line is recognized as the weight of the fluid displaced. Note that the ρ on the right side is the density of the fluid and has nothing to do with the object in the fluid. Thus, the bouyant force only depends on the volume of the object and the density of the fluid. It does not depend on the ...
... The last line is recognized as the weight of the fluid displaced. Note that the ρ on the right side is the density of the fluid and has nothing to do with the object in the fluid. Thus, the bouyant force only depends on the volume of the object and the density of the fluid. It does not depend on the ...
Electrostatics - Coulomb`s Law
... The three main branches of classical physics are Mechanics, Thermal Physics and Electromagnetism. The first part of this module concerns electrostatics (charges at rest). Electrical current is simply the rate of flow of charge over time. Electrical current is the source of magnetism. ...
... The three main branches of classical physics are Mechanics, Thermal Physics and Electromagnetism. The first part of this module concerns electrostatics (charges at rest). Electrical current is simply the rate of flow of charge over time. Electrical current is the source of magnetism. ...
Generation of Gravitational Force
... these accelerometers sense linear or centrifugal acceleration and acceleration due to gravity but these are not direct sensors of gravity. There is no direct sensor available for gravity because no other property of Gravitational field is known. If there is a direct sensor of gravity which is not ba ...
... these accelerometers sense linear or centrifugal acceleration and acceleration due to gravity but these are not direct sensors of gravity. There is no direct sensor available for gravity because no other property of Gravitational field is known. If there is a direct sensor of gravity which is not ba ...
Lecture 17
... produced by these dark point masses, lensing produces magnification so the relative motion between the lens and the background source would cause a change in brightness as the lens passes in front of the source. To see that at least one image will be magnified, consider a polar coordinate system wit ...
... produced by these dark point masses, lensing produces magnification so the relative motion between the lens and the background source would cause a change in brightness as the lens passes in front of the source. To see that at least one image will be magnified, consider a polar coordinate system wit ...
The Search for Gravitational Waves
... perihelion shifts forward an extra +43”/century compared to Newton’s theory Mercury's elliptical path around the Sun shifts slightly with each orbit such that its closest point to the Sun (or "perihelion") shifts forward with each pass. ...
... perihelion shifts forward an extra +43”/century compared to Newton’s theory Mercury's elliptical path around the Sun shifts slightly with each orbit such that its closest point to the Sun (or "perihelion") shifts forward with each pass. ...
No Slide Title - LIGO
... Predict the bending of light passing in the vicinity of the massive objects First observed during the solar eclipse of 1919 by Sir Arthur Eddington, when the Sun was silhouetted against the Hyades star cluster Their measurements showed that the light from these stars was bent as it grazed the Sun, ...
... Predict the bending of light passing in the vicinity of the massive objects First observed during the solar eclipse of 1919 by Sir Arthur Eddington, when the Sun was silhouetted against the Hyades star cluster Their measurements showed that the light from these stars was bent as it grazed the Sun, ...
Relativity
... of studying frames of reference that move with respect to each other. He began with the curious result of the Michelson-Morley experiment – that the speed of light appears to be the same in all frames of reference. ...
... of studying frames of reference that move with respect to each other. He began with the curious result of the Michelson-Morley experiment – that the speed of light appears to be the same in all frames of reference. ...